An electron travelling with a speed 75×10¹³ m/s passes through an electric field with an acceleration of 10¹²m/s². How long will it take for the electron to double its speed?
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Answer:
12.5 minutes
Step-by-step explanation:
use formula v=u+at
v=2u
t=u/a=75×10sec =750/60 minutes =12.5
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